The Primary Line SGP Diatonic Soprano Glockenspiel has 14 bars, C"' - A"" with F#", Bb"', and F#"" bars. 20 x 2mm bars are a special silver steel alloy for precise intonation and clarity.The Primary Line products consists of Orff instruments designed to deliver the fantastic performance of all Sonor instruments with the affordability and durability demanded by students in the elementary music education environment. Built in Sonor's German facilities using all-birch resonator boxes and 100% glued seams for resonance and clarity, they include brackets for leg or stand attachment, reinforced endplates, flexible rubber pins for bar placement, and note names conveniently printed in the center of the bars.